# Configuring the input component

## Procedure

1. Double-click tRowGenerator to display its Basic settings view and the RowGenerator Editor dialog box where you can define the component properties.

   ![](https://help.qlik.com/talend/en-US/components/8.0/Resources/images/Use_Case_tJavaFlex2_2.png)
2. Click the plus button to add four columns: *number*, *txt*, *date* and *flag*.
3. Define the schema and set the parameters to the four columns according to the above capture.
4. In the Functions column, select a function for each of the defined columns.
5. In the Parameters column, enter 10 different parameters for each of the defined columns. These 10 parameters corresponds to the data that will be randomly generated when executing tRowGenerator.
6. Click OK to validate your changes and close the editor.